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Application written in R (R Core Team 2015). Data from (Johns Hopkins University 2020) Referenced web-pages (Bookdown, n.d.) (R-Studios, n.d.) (Dirk Eddelbuettel 2012). #Reference
Bookdown. n.d. Bibliographies and Citations. Web manual. https://bookdown.org/yihui/rmarkdown-cookbook/bibliography.html.
Dirk Eddelbuettel. 2012. “Hiding the R Code in Rmarkdown/Knit and Just Showing the Results.” Stackoverflow discussion. https://stackoverflow.com/questions/13091112/hiding-the-r-code-in-rmarkdown-knit-and-just-showing-the-results.
Johns Hopkins University. 2020. “Novel Coronavirus (Covid-19) Cases, Provided by Jhu Csse.” GitHub page. https://github.com/CSSEGISandData/COVID-19.
R Core Team. 2015. “R: A Language and Environment for Statistical Computing.” Journal Article. http://www.R-project.org.
R-Studios. n.d. Scales for Area or Radius. Web manual. https://ggplot2.tidyverse.org/reference/scale_size.html.